SL6649-1

Obsolescence Notice This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink.com/obsolete_products/ SL6649-1 3115 - 4.1 SL6649-1 200MHz DIRECT CONVERSION FSK DATA RECEIVER The SL6649-1 is a low power direct conversion radio receiver for the reception of frequency shift keyed transmissions. It features the capability of 'power down' for battery conservation. The device also includes a low battery flag indicator. FEATURES I Very Low Power Operation - typ. 3.7mW I Single Cell Operation with External Inverter I Complete Radio Receiver in One Package I Operation up to 200MHz I 100nV Typical Sensitivity I Operates up to 1200 BPS I On Chip Tunable Active Filters I Minimum External Component Count I Low Power Down Current Typical 5µA PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 MP28 PIN 28 27 26 25 24 23 22 21 20 19 18 17 16 15 DESCRIPTION CHANNEL B TEST. LO INPUT CHANNEL B LO INPUT CHANNEL A VCC1 (MIXER) MIXER I/P A MIXER I/P B CHANNEL A TEST LO CURRENT SOURCE RFA II (EMIT) RF DEC RFA II (BASE) RF INPUT RF DEC RF O/P COLPITTS OSC O/P DISABLE NC APPLICATIONS I Low Power Radio Data Receiver I Wristwatch Credit Card Pager I Radio Paging I Ultrasonic Direction Indication I Security Systems I Remote Control Systems ABSOLUTE MAXIMUM RATINGS Supply Voltage Sto...